OpenTechnical

OT-2026-000102638

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, pump fed, pulsed blow-off after set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000102638) never changes.

Identity and time

Publication numberOT-2026-000102638 · never reused
Internal UUID01a0aea4-858b-7f53-a76d-2b8a8f123bb1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:32.827355Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102638
StatusPUBLIC

Content hashes

Canonical text0a10f759c5100eadcbd62b502e6933acf3a23fff9b1c05be78eb8f27fa221444
Markdown8b14dac435272f7608fe43844b3c9d87825e42c9e869b1ced416c238cacd0e13
PDF
Publication paged9fb858d5b7ea32c4341a6af8d3a552221bac67a35c0febcfaceb79a8eb808af
Manifest7cbeb86af1c7f258a276f61dac2a4a9bea3bd51f982fc7125814181e68132e45

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureqmFVFP7GI2w/9WDIEik9P457NN5sbZnWx0USpSe7xymyjW2Cey7SJjJpG4cgueZJyJD76YSgPbCLO1m/AJtfBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:24:08.009420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102638
observed d9fb858d5b7ea32c4341a6af8d3a5522...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.990505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102638/manifest.json
observed 7cbeb86af1c7f258a276f61dac2a4a9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.971190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102638/publication.md
observed 8b14dac435272f7608fe43844b3c9d87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:24:07.953413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102638/publication.txt
observed 0a10f759c5100eadcbd62b502e6933ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.